T or F: Calcium ions are stored within the synaptic terminal
What will be an ideal response?
False
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Plasmodesmata are cell-cell junctions that are found between _____
A) individual cardiac cells in heart muscle tissue B) adjacent plant cells C) adjacent animal cells in the same tissue type D) the plasma membrane of actively dividing prokaryotes
Circulatory systems compensate for _____
A) temperature differences between the lungs and the active tissue B) the slow rate at which diffusion occurs over large distances C) the problem of communication systems involving only the nervous system D) the need to cushion animals from trauma E) the need that fetal organisms have for maintaining an optimal body temperature
Few studies have been performed regarding different strategies of communicating _______.
[A] factors related to STD prevention [B] factors affecting contraceptive effectiveness [C] factors limiting the usefulness of given contraceptive method [D] factors related to contraceptive preference
The response to touch by such plants as the sensitive plant is due to
A. effect of gibberellins on the area affected. B. auxin displacement in the touched area. C. changes in water content of cells. D. sensitive responder cells.